This 48V 400Ah 20kWh LiFePO4 solar battery is designed for emergency backup power, off-grid, time of use, and self-consumption applications. Whether you want to reduce energy costs or to have a dependable power supply in the event of an outage, this battery is a perfect solution.
High Performance LFP Solar Battery
This lithium battery uses lithium iron phosphate cells and is equipped with an advanced BMS to monitor the battery's state of charge and discharge, as well as temperature and voltage levels, ensuring maximum safety, high reliability and longer service life.
Expandable Energy Storage Solution
This solar storage battery allows multiple units to be connected in parallel to increase power capacity. It can be conveniently expanded to accommodate growing energy needs.
Good Compatibility with Multiple Inverters
It has a built-in intelligent BMS that enables it to seamlessly work with a wide range of inverters available in the market.
Flexible Customized Battery Solution
This lithium energy storage battery supports flexible custom solutions in capacity, size, logo, LCD display screen, etc., to meet the specific needs of customers.
Specification
Model | ES48400 |
Nominal Voltage | 51.2V |
Nominal Capacity | 400Ah |
Energy | 20480Wh |
Self Discharge | <3%/month |
Dimensions (L x W x H) | 927 x 460 x 475 mm (36.5 x 18.1 x 18.7 in) |
Weight | 198kg (437 lbs) |
Terminal Type | Customizable |
Case Material | SPCC Steel With 250℃ High Temperature Baking Paint |
Enclosure Protection | IP54 |
Cell Type | Cylindrical |
Chemistry | LiFePO4 |
Recommended Charge Current | 80A |
Maximum Charge Current | 200A |
Charge Current (0 to -10 ºC) | ≤0.1C |
Charge Current (-20 to -10 ºC) | ≤0.05C |
Recommended Charge Voltage | 56.8V-58.4V |
BMS Charge Voltage Cut-Off: | 62.4V (3.9 ±0.025 vpc, 1~1.5s) |
Reconnect Voltage | 60.8V (3.8 ±0.05vpc) |
Maximum Continuous Discharge Current | 200A |
Peak Discharge Current | 400A (<5s) |
BMS Discharge Current Cut-Off | 550A (±20A, 9±2ms) |
Recommended Low Voltage Disconnect | 40V |
BMS Discharge Voltage Cut-Off | 32.0V (2.0±0.05vpc, 120~180ms) |
Reconnect Voltage | 36.8V (2.3±0.1vpc) |
Discharge Temperature | -20 to 60 ºC (-4 to 140 ºF) |
Charge Temperature | 0 to 45 ºC (32 to 113 ºF) |
Storage Temperature (1 month) | -20 to 60 ºC (-4 to 140 ºF) |
Storage Temperature (3 months) | -20 to 45 ºC (-4 to 113 ºF) |
Storage Temperature (6 months) | -20 to 25 ºC (-4 to 77 ºF) |